src/msw/toplevel.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/toplevel.cpp
   3 // Purpose:     implements wxTopLevelWindow for MSW
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     24.09.01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
   9 // License:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "toplevel.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/app.h"
  33     #include "wx/toplevel.h"
  34     #include "wx/dialog.h"
  35     #include "wx/string.h"
  36     #include "wx/log.h"
  37     #include "wx/intl.h"
  38     #include "wx/frame.h"
  39     #include "wx/containr.h"        // wxSetFocusToChild()
  40 #endif //WX_PRECOMP
  41
  42 #include "wx/module.h"
  43
  44 #include "wx/msw/private.h"
  45 #if defined(__WXWINCE__) && !defined(__HANDHELDPC__)
  46   #include <ole2.h>
  47   #include <shellapi.h>
  48   // Standard SDK doesn't have aygshell.dll: see include/wx/msw/wince/libraries.h
  49   #if _WIN32_WCE < 400 || !defined(__WINCE_STANDARDSDK__)
  50     #include <aygshell.h>
  51   #endif
  52 #include "wx/msw/wince/missing.h"
  53 #endif
  54
  55 #include "wx/msw/missing.h"
  56 #include "wx/msw/winundef.h"
  57
  58 #include "wx/display.h"
  59
  60 #ifndef ICON_BIG
  61     #define ICON_BIG 1
  62 #endif
  63
  64 #ifndef ICON_SMALL
  65     #define ICON_SMALL 0
  66 #endif
  67
  68 // ----------------------------------------------------------------------------
  69 // stubs for missing functions under MicroWindows
  70 // ----------------------------------------------------------------------------
  71
  72 #ifdef __WXMICROWIN__
  73
  74 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return FALSE; }
  75 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return FALSE; }
  76
  77 #endif // __WXMICROWIN__
  78
  79 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
  80 //     is not included by wxUniv build which does need wxDlgProc
  81 LONG APIENTRY _EXPORT
  82 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  83
  84 // ----------------------------------------------------------------------------
  85 // globals
  86 // ----------------------------------------------------------------------------
  87
  88 // the name of the default wxWidgets class
  89 #ifdef __WXWINCE__
  90 extern       wxChar *wxCanvasClassName;
  91 #else
  92 extern const wxChar *wxCanvasClassName;
  93 #endif
  94
  95 // ----------------------------------------------------------------------------
  96 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  97 // module to ensure that the window is always deleted)
  98 // ----------------------------------------------------------------------------
  99
 100 class wxTLWHiddenParentModule : public wxModule
 101 {
 102 public:
 103     // module init/finalize
 104     virtual bool OnInit();
 105     virtual void OnExit();
 106
 107     // get the hidden window (creates on demand)
 108     static HWND GetHWND();
 109
 110 private:
 111     // the HWND of the hidden parent
 112     static HWND ms_hwnd;
 113
 114     // the class used to create it
 115     static const wxChar *ms_className;
 116
 117     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 118 };
 119
 120 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 121
 122 // ============================================================================
 123 // wxTopLevelWindowMSW implementation
 124 // ============================================================================
 125
 126 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 127     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 128 END_EVENT_TABLE()
 129
 130 // ----------------------------------------------------------------------------
 131 // wxTopLevelWindowMSW creation
 132 // ----------------------------------------------------------------------------
 133
 134 void wxTopLevelWindowMSW::Init()
 135 {
 136     m_iconized =
 137     m_maximizeOnShow = FALSE;
 138
 139     // Data to save/restore when calling ShowFullScreen
 140     m_fsStyle = 0;
 141     m_fsOldWindowStyle = 0;
 142     m_fsIsMaximized = FALSE;
 143     m_fsIsShowing = FALSE;
 144
 145     m_winLastFocused = (wxWindow *)NULL;
 146
 147 #ifdef __SMARTPHONE__
 148     m_MenuBarHWND = 0;
 149 #endif
 150 }
 151
 152 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 153 {
 154     // let the base class deal with the common styles but fix the ones which
 155     // don't make sense for us (we also deal with the borders ourselves)
 156     WXDWORD msflags = wxWindow::MSWGetStyle
 157                       (
 158                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 159                       ) & ~WS_CHILD & ~WS_VISIBLE;
 160
 161 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 162     msflags |= WS_VISIBLE;
 163 #endif
 164
 165     // first select the kind of window being created
 166     //
 167     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 168     // creates a window with both caption and border, hence we also test it
 169     // below in some other cases
 170     if ( style & wxFRAME_TOOL_WINDOW )
 171     {
 172         msflags |= WS_POPUP;
 173     }
 174     //else: WS_OVERLAPPED is 0 anyhow, so it is on by default
 175
 176 #ifndef __SMARTPHONE__
 177     // border and caption styles
 178     if ( style & wxRESIZE_BORDER )
 179         msflags |= WS_THICKFRAME;
 180     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 181         *exflags |= WS_EX_DLGMODALFRAME;
 182     else if ( !(style & wxBORDER_NONE) )
 183         msflags |= WS_BORDER;
 184     else
 185         msflags |= WS_POPUP;
 186 #endif
 187
 188     // normally we consider that all windows without caption must be popups,
 189     // but CE is an exception: there windows normally do not have the caption
 190     // but shouldn't be made popups as popups can't have menus and don't look
 191     // like normal windows anyhow
 192     if ( style & wxCAPTION )
 193         msflags |= WS_CAPTION;
 194 #ifndef __WXWINCE__
 195     else
 196         msflags |= WS_POPUP;
 197 #endif // !__WXWINCE__
 198
 199     // next translate the individual flags
 200     if ( style & wxMINIMIZE_BOX )
 201         msflags |= WS_MINIMIZEBOX;
 202     if ( style & wxMAXIMIZE_BOX )
 203         msflags |= WS_MAXIMIZEBOX;
 204     if ( style & wxSYSTEM_MENU )
 205         msflags |= WS_SYSMENU;
 206
 207     // NB: under CE these 2 styles are not supported currently, we should
 208     //     call Minimize()/Maximize() "manually" if we want to support them
 209     if ( style & wxMINIMIZE )
 210         msflags |= WS_MINIMIZE;
 211     if ( style & wxMAXIMIZE )
 212         msflags |= WS_MAXIMIZE;
 213
 214     // Keep this here because it saves recoding this function in wxTinyFrame
 215     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 216         msflags |= WS_CAPTION;
 217
 218     if ( exflags )
 219     {
 220         // there is no taskbar under CE, so omit all this
 221 #if !defined(__WXWINCE__)
 222         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 223         {
 224             if ( style & wxFRAME_TOOL_WINDOW )
 225             {
 226                 // create the palette-like window
 227                 *exflags |= WS_EX_TOOLWINDOW;
 228
 229                 // tool windows shouldn't appear on the taskbar (as documented)
 230                 style |= wxFRAME_NO_TASKBAR;
 231             }
 232
 233             // We have to solve 2 different problems here:
 234             //
 235             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 236             //    taskbar even if they don't have a parent
 237             //
 238             // 2. frames without this style should appear in the taskbar even
 239             //    if they're owned (Windows only puts non owned windows into
 240             //    the taskbar normally)
 241             //
 242             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 243             // first one is dealt with in our MSWGetParent() method
 244             // implementation
 245             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 246             {
 247                 // need to force the frame to appear in the taskbar
 248                 *exflags |= WS_EX_APPWINDOW;
 249             }
 250             //else: nothing to do [here]
 251         }
 252 #endif // !__WXWINCE__
 253
 254         if ( style & wxSTAY_ON_TOP )
 255             *exflags |= WS_EX_TOPMOST;
 256
 257         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 258             *exflags |= WS_EX_CONTEXTHELP;
 259     }
 260
 261     return msflags;
 262 }
 263
 264 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 265 {
 266     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 267     // parent HWND or it would be always on top of its parent which is not what
 268     // we usually want (in fact, we only want it for frames with the
 269     // wxFRAME_FLOAT_ON_PARENT flag)
 270     HWND hwndParent = NULL;
 271     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 272     {
 273         const wxWindow *parent = GetParent();
 274
 275         if ( !parent )
 276         {
 277             // this flag doesn't make sense then and will be ignored
 278             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 279         }
 280         else
 281         {
 282             hwndParent = GetHwndOf(parent);
 283         }
 284     }
 285     //else: don't float on parent, must not be owned
 286
 287     // now deal with the 2nd taskbar-related problem (see comments above in
 288     // MSWGetStyle())
 289     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 290     {
 291         // use hidden parent
 292         hwndParent = wxTLWHiddenParentModule::GetHWND();
 293     }
 294
 295     return (WXHWND)hwndParent;
 296 }
 297
 298 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 299                                        const wxString& title,
 300                                        const wxPoint& pos,
 301                                        const wxSize& size)
 302 {
 303 #ifdef __WXMICROWIN__
 304     // no dialogs support under MicroWin yet
 305     return CreateFrame(title, pos, size);
 306 #else // !__WXMICROWIN__
 307     wxWindow *parent = GetParent();
 308
 309     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 310     // app window as parent - this avoids creating modal dialogs without
 311     // parent
 312     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 313     {
 314         parent = wxTheApp->GetTopWindow();
 315
 316         if ( parent )
 317         {
 318             // don't use transient windows as parents, this is dangerous as it
 319             // can lead to a crash if the parent is destroyed before the child
 320             //
 321             // also don't use the window which is currently hidden as then the
 322             // dialog would be hidden as well
 323             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 324                     !parent->IsShown() )
 325             {
 326                 parent = NULL;
 327             }
 328         }
 329     }
 330
 331     m_hWnd = (WXHWND)::CreateDialogIndirect
 332                        (
 333                         wxGetInstance(),
 334                         (DLGTEMPLATE*)dlgTemplate,
 335                         parent ? GetHwndOf(parent) : NULL,
 336                         (DLGPROC)wxDlgProc
 337                        );
 338
 339     if ( !m_hWnd )
 340     {
 341         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 342
 343         wxLogSysError(wxT("Can't create dialog using memory template"));
 344
 345         return FALSE;
 346     }
 347
 348     WXDWORD exflags;
 349     (void)MSWGetCreateWindowFlags(&exflags);
 350
 351     if ( exflags )
 352     {
 353         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 354         ::SetWindowPos(GetHwnd(),
 355                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 356                        0, 0, 0, 0,
 357                        SWP_NOSIZE |
 358                        SWP_NOMOVE |
 359                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 360                        SWP_NOACTIVATE);
 361     }
 362
 363 #if defined(__WIN95__)
 364     // For some reason, the system menu is activated when we use the
 365     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 366     if ( exflags & WS_EX_CONTEXTHELP )
 367     {
 368         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 369         if ( winTop )
 370         {
 371             wxIcon icon = winTop->GetIcon();
 372             if ( icon.Ok() )
 373             {
 374                 ::SendMessage(GetHwnd(), WM_SETICON,
 375                               (WPARAM)TRUE,
 376                               (LPARAM)GetHiconOf(icon));
 377             }
 378         }
 379     }
 380 #endif // __WIN95__
 381
 382     // move the dialog to its initial position without forcing repainting
 383     int x, y, w, h;
 384     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 385
 386     if ( x == (int)CW_USEDEFAULT )
 387     {
 388         // centre it on the screen - what else can we do?
 389         wxSize sizeDpy = wxGetDisplaySize();
 390
 391         x = (sizeDpy.x - w) / 2;
 392         y = (sizeDpy.y - h) / 2;
 393     }
 394
 395 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 396     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 397     {
 398         wxLogLastError(wxT("MoveWindow"));
 399     }
 400 #endif
 401
 402     if ( !title.empty() )
 403     {
 404         ::SetWindowText(GetHwnd(), title);
 405     }
 406
 407     SubclassWin(m_hWnd);
 408
 409     return TRUE;
 410 #endif // __WXMICROWIN__/!__WXMICROWIN__
 411 }
 412
 413 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 414                                       const wxPoint& pos,
 415                                       const wxSize& size)
 416 {
 417     WXDWORD exflags;
 418     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 419
 420 #if !defined(__HANDHELDPC__) && ((defined(_WIN32_WCE) && _WIN32_WCE < 400) || \
 421     defined(__POCKETPC__) || \
 422     defined(__SMARTPHONE__))
 423     // Always expand to fit the screen in PocketPC or SmartPhone
 424     wxSize sz(wxDefaultSize);
 425     wxUnusedVar(size);
 426 #else // other (including normal desktop) Windows
 427     wxSize sz(size);
 428 #endif
 429
 430     return MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags);
 431 }
 432
 433 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 434                                  wxWindowID id,
 435                                  const wxString& title,
 436                                  const wxPoint& pos,
 437                                  const wxSize& size,
 438                                  long style,
 439                                  const wxString& name)
 440 {
 441     bool ret wxDUMMY_INITIALIZE(false);
 442
 443     // init our fields
 444     Init();
 445
 446     wxSize sizeReal = size;
 447     if ( !sizeReal.IsFullySpecified() )
 448     {
 449         sizeReal.SetDefaults(GetDefaultSize());
 450     }
 451
 452     m_windowStyle = style;
 453
 454     SetName(name);
 455
 456     m_windowId = id == -1 ? NewControlId() : id;
 457
 458     wxTopLevelWindows.Append(this);
 459
 460     if ( parent )
 461         parent->AddChild(this);
 462
 463     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 464     {
 465         // we have different dialog templates to allows creation of dialogs
 466         // with & without captions under MSWindows, resizeable or not (but a
 467         // resizeable dialog always has caption - otherwise it would look too
 468         // strange)
 469
 470         // we need 3 additional WORDs for dialog menu, class and title (as we
 471         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 472         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 473         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 474         memset(dlgTemplate, 0, dlgsize);
 475
 476         // these values are arbitrary, they won't be used normally anyhow
 477         dlgTemplate->x  = 34;
 478         dlgTemplate->y  = 22;
 479         dlgTemplate->cx = 144;
 480         dlgTemplate->cy = 75;
 481
 482         // reuse the code in MSWGetStyle() but correct the results slightly for
 483         // the dialog
 484         dlgTemplate->style = MSWGetStyle(style, NULL);
 485
 486         // all dialogs are popups
 487         dlgTemplate->style |= WS_POPUP;
 488
 489         // force 3D-look if necessary, it looks impossibly ugly otherwise
 490         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 491             dlgTemplate->style |= DS_MODALFRAME;
 492
 493         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 494         free(dlgTemplate);
 495     }
 496     else // !dialog
 497     {
 498         ret = CreateFrame(title, pos, sizeReal);
 499     }
 500
 501     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 502     {
 503         EnableCloseButton(false);
 504     }
 505
 506     // for some reason we need to manually send ourselves this message as
 507     // otherwise the mnemonics are always shown -- even if they're configured
 508     // to be hidden until "Alt" is pressed in the control panel
 509     //
 510     // this could indicate a bug somewhere else but for now this is the only
 511     // fix we have
 512     if ( ret )
 513     {
 514         SendMessage
 515         (
 516             GetHwnd(),
 517             WM_UPDATEUISTATE,
 518             MAKEWPARAM(UIS_INITIALIZE, UISF_HIDEFOCUS | UISF_HIDEACCEL),
 519             0
 520         );
 521     }
 522
 523     // Native look is full screen window on Smartphones and Standard SDK
 524 #if defined(__WXWINCE__)
 525     if ( style & wxMAXIMIZE )
 526     {
 527         this->Maximize();
 528     }
 529 #endif
 530
 531 #ifdef __SMARTPHONE__
 532     SetRightMenu(); // to nothing for initialization
 533 #endif
 534
 535     return ret;
 536 }
 537
 538 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 539 {
 540     // after destroying an owned window, Windows activates the next top level
 541     // window in Z order but it may be different from our owner (to reproduce
 542     // this simply Alt-TAB to another application and back before closing the
 543     // owned frame) whereas we always want to yield activation to our parent
 544     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 545     {
 546         wxWindow *parent = GetParent();
 547         if ( parent )
 548         {
 549             ::BringWindowToTop(GetHwndOf(parent));
 550         }
 551     }
 552 }
 553
 554 // ----------------------------------------------------------------------------
 555 // wxTopLevelWindowMSW showing
 556 // ----------------------------------------------------------------------------
 557
 558 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 559 {
 560     ::ShowWindow(GetHwnd(), nShowCmd);
 561
 562     m_iconized = nShowCmd == SW_MINIMIZE;
 563 }
 564
 565 bool wxTopLevelWindowMSW::Show(bool show)
 566 {
 567     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 568     if ( !wxWindowBase::Show(show) )
 569         return FALSE;
 570
 571     int nShowCmd;
 572     if ( show )
 573     {
 574         if ( m_maximizeOnShow )
 575         {
 576             // show and maximize
 577             nShowCmd = SW_MAXIMIZE;
 578
 579             // This is necessary, or no window appears
 580 #ifdef __WINCE_STANDARDSDK__
 581             DoShowWindow(SW_SHOW);
 582 #endif
 583
 584             m_maximizeOnShow = FALSE;
 585         }
 586         else // just show
 587         {
 588            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 589                nShowCmd = SW_SHOWNA;
 590            else
 591                nShowCmd = SW_SHOW;
 592         }
 593     }
 594     else // hide
 595     {
 596         nShowCmd = SW_HIDE;
 597     }
 598
 599     DoShowWindow(nShowCmd);
 600
 601 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 602     // Addornments have to be added when the frame is the correct size
 603     wxFrame* frame = wxDynamicCast(this, wxFrame);
 604     if (frame && frame->GetMenuBar())
 605         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 606 #endif
 607
 608     if ( show )
 609     {
 610         ::BringWindowToTop(GetHwnd());
 611
 612         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 613         event.SetEventObject( this );
 614         GetEventHandler()->ProcessEvent(event);
 615     }
 616     else // hide
 617     {
 618         // Try to highlight the correct window (the parent)
 619         if ( GetParent() )
 620         {
 621             HWND hWndParent = GetHwndOf(GetParent());
 622             if (hWndParent)
 623                 ::BringWindowToTop(hWndParent);
 624         }
 625     }
 626
 627     return TRUE;
 628 }
 629
 630 // ----------------------------------------------------------------------------
 631 // wxTopLevelWindowMSW maximize/minimize
 632 // ----------------------------------------------------------------------------
 633
 634 void wxTopLevelWindowMSW::Maximize(bool maximize)
 635 {
 636     if ( IsShown() )
 637     {
 638         // just maximize it directly
 639         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 640     }
 641     else // hidden
 642     {
 643         // we can't maximize the hidden frame because it shows it as well, so
 644         // just remember that we should do it later in this case
 645         m_maximizeOnShow = maximize;
 646     }
 647 }
 648
 649 bool wxTopLevelWindowMSW::IsMaximized() const
 650 {
 651 #ifdef __WXWINCE__
 652     return FALSE;
 653 #else
 654     return ::IsZoomed(GetHwnd()) != 0;
 655 #endif
 656 }
 657
 658 void wxTopLevelWindowMSW::Iconize(bool iconize)
 659 {
 660     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 661 }
 662
 663 bool wxTopLevelWindowMSW::IsIconized() const
 664 {
 665 #ifdef __WXWINCE__
 666     return FALSE;
 667 #else
 668     // also update the current state
 669     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 670
 671     return m_iconized;
 672 #endif
 673 }
 674
 675 void wxTopLevelWindowMSW::Restore()
 676 {
 677     DoShowWindow(SW_RESTORE);
 678 }
 679
 680 // ----------------------------------------------------------------------------
 681 // wxTopLevelWindowMSW fullscreen
 682 // ----------------------------------------------------------------------------
 683
 684 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 685 {
 686     if ( show == IsFullScreen() )
 687     {
 688         // nothing to do
 689         return TRUE;
 690     }
 691
 692     m_fsIsShowing = show;
 693
 694     if ( show )
 695     {
 696         m_fsStyle = style;
 697
 698         // zap the frame borders
 699
 700         // save the 'normal' window style
 701         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 702
 703         // save the old position, width & height, maximize state
 704         m_fsOldSize = GetRect();
 705         m_fsIsMaximized = IsMaximized();
 706
 707         // decide which window style flags to turn off
 708         LONG newStyle = m_fsOldWindowStyle;
 709         LONG offFlags = 0;
 710
 711         if (style & wxFULLSCREEN_NOBORDER)
 712         {
 713             offFlags |= WS_BORDER;
 714 #ifndef __WXWINCE__
 715             offFlags |= WS_THICKFRAME;
 716 #endif
 717         }
 718         if (style & wxFULLSCREEN_NOCAPTION)
 719             offFlags |= WS_CAPTION | WS_SYSMENU;
 720
 721         newStyle &= ~offFlags;
 722
 723         // change our window style to be compatible with full-screen mode
 724         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 725
 726         wxRect rect;
 727 #if wxUSE_DISPLAY
 728         // resize to the size of the display containing us
 729         int dpy = wxDisplay::GetFromWindow(this);
 730         if ( dpy != wxNOT_FOUND )
 731         {
 732             rect = wxDisplay(dpy).GetGeometry();
 733         }
 734         else // fall back to the main desktop
 735 #else // wxUSE_DISPLAY
 736         {
 737             // resize to the size of the desktop
 738             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 739 #ifdef __WXWINCE__
 740             // FIXME: size of the bottom menu (toolbar)
 741             // should be taken in account
 742             rect.height += rect.y;
 743             rect.y       = 0;
 744 #endif
 745         }
 746 #endif // wxUSE_DISPLAY
 747
 748         SetSize(rect);
 749
 750         // now flush the window style cache and actually go full-screen
 751         long flags = SWP_FRAMECHANGED;
 752
 753         // showing the frame full screen should also show it if it's still
 754         // hidden
 755         if ( !IsShown() )
 756         {
 757             // don't call wxWindow version to avoid flicker from calling
 758             // ::ShowWindow() -- we're going to show the window at the correct
 759             // location directly below -- but do call the wxWindowBase version
 760             // to sync the internal m_isShown flag
 761             wxWindowBase::Show();
 762
 763             flags |= SWP_SHOWWINDOW;
 764         }
 765
 766         SetWindowPos(GetHwnd(), HWND_TOP,
 767                      rect.x, rect.y, rect.width, rect.height,
 768                      flags);
 769
 770 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 771         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 772 #endif
 773
 774         // finally send an event allowing the window to relayout itself &c
 775         wxSizeEvent event(rect.GetSize(), GetId());
 776         GetEventHandler()->ProcessEvent(event);
 777     }
 778     else // stop showing full screen
 779     {
 780 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 781         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 782 #endif
 783         Maximize(m_fsIsMaximized);
 784         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 785         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 786             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 787     }
 788
 789     return TRUE;
 790 }
 791
 792 // ----------------------------------------------------------------------------
 793 // wxTopLevelWindowMSW misc
 794 // ----------------------------------------------------------------------------
 795
 796 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 797 {
 798     SetIcons( wxIconBundle( icon ) );
 799 }
 800
 801 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 802 {
 803     wxTopLevelWindowBase::SetIcons(icons);
 804
 805 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 806     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 807     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 808     {
 809         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 810                        (LPARAM)GetHiconOf(sml) );
 811     }
 812
 813     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 814     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 815     {
 816         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 817                        (LPARAM)GetHiconOf(big) );
 818     }
 819 #endif // __WIN95__
 820 }
 821
 822 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 823 {
 824 #if !defined(__WXMICROWIN__)
 825     // get system (a.k.a. window) menu
 826     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 827     if ( !hmenu )
 828     {
 829         // no system menu at all -- ok if we want to remove the close button
 830         // anyhow, but bad if we want to show it
 831         return !enable;
 832     }
 833
 834     // enabling/disabling the close item from it also automatically
 835     // disables/enables the close title bar button
 836     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 837                           MF_BYCOMMAND |
 838                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 839     {
 840         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 841
 842         return FALSE;
 843     }
 844 #ifndef __WXWINCE__
 845     // update appearance immediately
 846     if ( !::DrawMenuBar(GetHwnd()) )
 847     {
 848         wxLogLastError(_T("DrawMenuBar"));
 849     }
 850 #endif
 851 #endif // !__WXMICROWIN__
 852
 853     return TRUE;
 854 }
 855
 856 #ifndef __WXWINCE__
 857
 858 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 859 {
 860     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
 861                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 862
 863     // The empty region signifies that the shape should be removed from the
 864     // window.
 865     if ( region.IsEmpty() )
 866     {
 867         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 868         {
 869             wxLogLastError(_T("SetWindowRgn"));
 870             return FALSE;
 871         }
 872         return TRUE;
 873     }
 874
 875     // Windows takes ownership of the region, so
 876     // we'll have to make a copy of the region to give to it.
 877     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 878     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 879     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 880     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 881     delete[] (char*) rgnData;
 882
 883     // SetWindowRgn expects the region to be in coordinants
 884     // relative to the window, not the client area.  Figure
 885     // out the offset, if any.
 886     RECT rect;
 887     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 888     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 889     ::GetClientRect(GetHwnd(), &rect);
 890     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 891     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 892
 893     // Now call the shape API with the new region.
 894     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 895     {
 896         wxLogLastError(_T("SetWindowRgn"));
 897         return FALSE;
 898     }
 899     return TRUE;
 900 }
 901
 902 #endif // !__WXWINCE__
 903
 904 // ----------------------------------------------------------------------------
 905 // wxTopLevelWindow event handling
 906 // ----------------------------------------------------------------------------
 907
 908 // Default activation behaviour - set the focus for the first child
 909 // subwindow found.
 910 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 911 {
 912     if ( event.GetActive() )
 913     {
 914         // restore focus to the child which was last focused unless we already
 915         // have it
 916         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 917
 918         wxWindow *winFocus = FindFocus();
 919         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
 920         {
 921             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 922                                                 : NULL;
 923             if ( !parent )
 924             {
 925                 parent = this;
 926             }
 927
 928             wxSetFocusToChild(parent, &m_winLastFocused);
 929         }
 930     }
 931     else // deactivating
 932     {
 933         // remember the last focused child if it is our child
 934         m_winLastFocused = FindFocus();
 935
 936         if ( m_winLastFocused )
 937         {
 938             // let it know that it doesn't have focus any more
 939             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
 940
 941             // and don't remember it if it's a child from some other frame
 942             if ( wxGetTopLevelParent(m_winLastFocused) != this )
 943             {
 944                 m_winLastFocused = NULL;
 945             }
 946         }
 947
 948         wxLogTrace(_T("focus"),
 949                    _T("wxTLW %08x deactivated, last focused: %08x."),
 950                    (int) m_hWnd,
 951                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
 952                                            : NULL));
 953
 954         event.Skip();
 955     }
 956 }
 957
 958 // the DialogProc for all wxWidgets dialogs
 959 LONG APIENTRY _EXPORT
 960 wxDlgProc(HWND hDlg,
 961           UINT message,
 962           WPARAM WXUNUSED(wParam),
 963           LPARAM WXUNUSED(lParam))
 964 {
 965     if ( message == WM_INITDIALOG )
 966     {
 967         // under CE, add a "Ok" button in the dialog title bar and make it full
 968         // screen
 969         //
 970         // VZ: we should probably allow for overriding this, e.g. by including
 971         //     MAXIMIZED flag in the dialog style by default and doing this
 972         //     only if it is present...
 973
 974         // Standard SDK doesn't have aygshell.dll: see
 975         // include/wx/msw/wince/libraries.h
 976 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
 977         SHINITDLGINFO shidi;
 978         shidi.dwMask = SHIDIM_FLAGS;
 979         shidi.dwFlags = SHIDIF_SIZEDLGFULLSCREEN
 980 #ifndef __SMARTPHONE__
 981                         | SHIDIF_DONEBUTTON
 982 #endif
 983                         ;
 984         shidi.hDlg = hDlg;
 985         SHInitDialog( &shidi );
 986 #else // no SHInitDialog()
 987         wxUnusedVar(hDlg);
 988 #endif
 989     }
 990
 991     // for almost all messages, returning FALSE means that we didn't process
 992     // the message
 993     //
 994     // for WM_INITDIALOG, returning TRUE tells system to set focus to
 995     // the first control in the dialog box, but as we set the focus
 996     // ourselves, we return FALSE for it as well
 997     return FALSE;
 998 }
 999
1000 // ============================================================================
1001 // wxTLWHiddenParentModule implementation
1002 // ============================================================================
1003
1004 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1005
1006 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1007
1008 bool wxTLWHiddenParentModule::OnInit()
1009 {
1010     ms_hwnd = NULL;
1011     ms_className = NULL;
1012
1013     return TRUE;
1014 }
1015
1016 void wxTLWHiddenParentModule::OnExit()
1017 {
1018     if ( ms_hwnd )
1019     {
1020         if ( !::DestroyWindow(ms_hwnd) )
1021         {
1022             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1023         }
1024
1025         ms_hwnd = NULL;
1026     }
1027
1028     if ( ms_className )
1029     {
1030         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1031         {
1032             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1033         }
1034
1035         ms_className = NULL;
1036     }
1037 }
1038
1039 /* static */
1040 HWND wxTLWHiddenParentModule::GetHWND()
1041 {
1042     if ( !ms_hwnd )
1043     {
1044         if ( !ms_className )
1045         {
1046             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1047
1048             WNDCLASS wndclass;
1049             wxZeroMemory(wndclass);
1050
1051             wndclass.lpfnWndProc   = DefWindowProc;
1052             wndclass.hInstance     = wxGetInstance();
1053             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1054
1055             if ( !::RegisterClass(&wndclass) )
1056             {
1057                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1058             }
1059             else
1060             {
1061                 ms_className = HIDDEN_PARENT_CLASS;
1062             }
1063         }
1064
1065         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1066                                  (HMENU)NULL, wxGetInstance(), NULL);
1067         if ( !ms_hwnd )
1068         {
1069             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1070         }
1071     }
1072
1073     return ms_hwnd;
1074 }
1075
1076